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Product Description

125cc 4 Stroke Electric Start Engine Motor for ATV Go Kart Dirt Bike
DOONARCES
Specification
Type | 125CC Horizontal, single-cylinder, 4-stroke, air-cooled |
Start Method | Electrical Start |
Gear System | 3 Forward; Neutral; 1 Reverse |
Ignition | CDI |
Front sprocket | 428-14T |
Carburetor | PZ19 |
Lubrication | Pressure/splash |
Oil capacity | 900ml |
Top/Bottom Engine Mount | 92mm/82mm |
Bore x Stroke | 52.4 × 55.5 mm, 119.7 mL |
Maximum net power/ rpm | 5.8 kw/ 7500r/ min±375 r/ min |
Maximum torque/ rpm | 8.5 N.m/5000r/min±250 r/min |
Idle speed | 1500 r/min±100r/min |
Air Filte | 35mm |
Bolt to Bolt | 152mm (6") |
Compression ratio | 9.0: 1 |
ENGINE SIZE : 125CC
Excellent Applicability
- The 125cc 4-stroke electric start engine is widely used in Go kart, Quad, Dirt bike, ATV, Pit bike, Dirt bike, Buggy, Pocket rocket,etc.
High Performance
- The 125cc 4-stroke engine has both 3 forward, neutral and reverse, perfect for your needs. The electric starter makes starting faster and more convenient, easy to operate.
High Quality Materials
- Made of high-quality aluminum and alloy materials, the engine is robust and durable, and has a very textured surface with a metallic sheen.
Details
Wiring Diagrams (If you have any questions, please feel free to ask us.)

WIRING
1. Five wires (Plug): For gear indicator
2. Yellow wire: For storage battery
3. Pink (or Yellow) wire: For storage battery
4. Black & Red wire: For signal trigger
5. Green wire: For grounding
6. Blue & White: For trigger coil
NOTE
- Refer to The Video and Pictures for The Specific Wiring Method
- If you have any questions about Installation , please feel free to ask us.
- Professional Installation Is Highly Recommended
- Installation Manual Is NOT Included

Complete Accessories
Wiring/Carby
Airfilter/Gasket
Chain Case
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